Method of searching and extracting text information from drawing

Details Method of searching and extracting text information from drawing Method of searching and extracting text information from drawing

1997-09-09

1999-11-30

Tran, Phuoc

Image analysis

Image segmentation

Distinguishing text from other regions

382281, G06K 934

Patent

active

059956593

ABSTRACT:
A method for recognizing text in graphical drawings includes creating a binarized representation of a drawing to form an electronic image of pixels. The image is discriminated between text regions and lines in the image by grouping pixels into blocks and comparing blocks with a predetermined format to identify text regions. The lines that remain in the text regions are removed to create text only regions. The text is recognized in the text only regions.

REFERENCES:
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patent: 5680479 (1997-10-01), Wang et al.
patent: 5809317 (1998-09-01), Kogan et al.
patent: 5872864 (1999-02-01), Imade et al.
Nagy et al., "A Prototype Document Image Analysis System for Technical Journals", IEEE, Jul. 1992, pp. 10-22.

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